Atriplex semibaccata |
Atriplex rosea |
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red orache, tumbling orache |
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Habit | Herbs annual, monoecious, 1–10(20) dm, grayish farinose to green and glabrate. | |
Stems | erect to ascending; branches simple to much branched throughout, sometimes forming tumbleweeds. |
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Leaves | alternate; blades ovate to lanceolate; (1)1.5–6 × 1–3(3.5) cm, bases broadly cuneate to rounded, sometimes hastate on lower leaves; margins wavy to coarsely dentate; tips obtuse, farinose at least on lower surface; petioles short to subsessile; (0)2–13 mm. |
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Inflorescences | axillary few-flowered clusters and terminal spikes. |
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Staminate flowers | perianths 4–5-lobed. |
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Pistillate flowers | perianths absent, enclosed by 2 bracteoles. |
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Seeds | dimorphic; vertical, 1–2 mm; black; shiny or 2–2.5 mm, brown; dull. |
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Fruiting bracteoles | fused to ~ halfway, rhombic to triangular rhombic, bases broadly cuneate to sometimes subhastate; margins toothed in upper ?; tips acute to obtuse; faces smooth or short tuberculate, sessile or with stipe to 5 mm. |
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2n | =18. |
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Atriplex semibaccata |
Atriplex rosea |
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Distribution | ||
Discussion | Disturbed areas, roadsides. Flowering Jul–Sep. 0–1500 m. BR, BW, Col, ECas, Est, Lava, Owy, WV. CA, ID, NV, WA; scattered throughout most of North America; Asia, Europe. Exotic. |
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Source | Flora of Oregon, volume 2, page 71 Bridget Chipman |
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Sibling taxa | ||
Web links |
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